Viscerogenic Back pain is due to Genito-urinary disorder, Gynaecological diseases, Lesions of Lesser Sac, Retroperitoneal tumors. History of other symptoms are Pain not aggravated by activity, not relieved by rest and vascular pain Produce features resembling sciatica, Abdominal Aortic, Aneurysms: boring, lumbar Pain radiates down the leg, not aggravated by spinal stress Peripheral Vascular Disease: intermittent claudication mimicking Sciatic pain or Spinal stenosis .History of pain on walking, relief on standing. Pure psychogenic pain rare, Physician must recognise the presence of an emotional breakdown, Investigate for possible pathological process thoroughly.